Collaborate with top .NET development companies in the United States to modernize, streamline, and scale your systems through custom .NET development.

We Compiled the Best USA .Net Development Companies for You

61 Companies-Rankings updated: November 02, 2026

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × .Net Development × Wellness & Fitness × $1,000 - $10,000 ×Clear Filters
  • We Help Clients Define. Design. Build. Market.

    Doors Studio LLC is an Austin-based digital agency helping businesses build stronger brands and grow online. We bring together creative thinking, smart strategy, and digital expertise to deliver web development, digital marketing, brand communication, content marketing, and video production. Our approach...

    Top Services:

    • Digital Marketing
    • Web Development
    • Branding
    • SEO
    • Graphic Design
    • Show more
    Location
    Austin, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Empowering Business Globally Since 2010

    In the digital universe, transformation is the name of the game, and at Chameleon Ideas Inc., were the masters of this transformative magic. Our suite of digital marketing services is designed to elevate your brand, boost your online presence, and drive results that matter. Whether its climbing the SEO...

    Top Services:

    • Mobile App Development
    • Web Design
    • Web Development
    • Digital Marketing
    • Social Media Marketing
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Where Brands Blink Bright

    Marketing Blink isn't just fast, it's faster than your competitors' blink reflex. We're the digital rocket fuel that launches your brand from obscurity to the top of the search engine food chain. Tired of marketing that's slow, clunky, and leaves you in the dark? We ditch the jargon and deliver crystal-clear...

    Top Services:

    • Web Design
    • WordPress Website Design
    • Web Development
    • eCommerce Development
    • Graphic Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Custom Application & Web Dev Professionals

    Epic Apps | Custom Mobile App Development & Web Platforms...

    Top Services:

    • Web Development
    • Web Design
    • Mobile App Development
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Greenwood Village, Colorado
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000
  • Where a fine art approach to web and media content meets technical precision and care.

    Working with clients to create a natural aesthetic and integrated technologies for web and print communications since 2016...

    Top Services:

    • Web Design
    • Web Development
    • Video Production
    • Graphic Design
    • Branding
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Check Work Results First & Pay After Complete Satisfaction - Hire White Label Services Risk-Free!

    We prioritize delivering results over billing hours, ensuring you receive top-notch work in record time. From swift price quotes to rapid work delivery, we work on minimizing your wait time and maximizing productivity. Our 24/7 availability ensures instant support whenever you need us. Clients choose us for...

    Top Services:

    • CRO
    • eCommerce Development
    • Web Development
    • UI/UX Design
    • Web Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Custom software for digital health and medtech

    26bitz builds custom software for healthcare: patient apps, AI tools, embedded device software, cloud backends, and HL7/FHIR integrations. We work with clinics, medtech companies, digital health startups, and nonprofits...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • IT Compliance Solution
    • ERP Consulting
    • Show more
    Location
    Arlington Heights, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
  • Ignite What's Next

    Sparkware Solutions is a Virginia-based digital agency that helps small businesses grow faster, operate leaner, and scale smarter through strategic web development, AI-driven automation, and intelligent marketing systems...

    Top Services:

    • Digital Marketing
    • AI Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Richmond, Virginia
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Search Engine Marketing Revival.

    Elevate your online visibility and accelerate your business growth with SEM Revival LLC! We specialize in comprehensive digital marketing strategies customized to enhance your internet presence significantly. Our mission is to empower your brand with targeted solutions designed to maximize online visibility...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • eCommerce
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
  • Where Ideas Turn Into Scalable Products.

    CoderzHub is a digital agency that offers services ranging from website development, mobile app development, custom software developement and digital marketing...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Software Development
    • WordPress Website Design
    • Show more
    Location
    Plano, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Where Digital Empires Rise.

    A professional Digital Marketing Agency with a dedicated focus on Pay-Per-Click (PPC) campaigns and website optimization. We excel at catalyzing Digital Success by crafting Compelling Content, Striking Visuals, and Interactive Interfaces, resulting in an unmatched level of Engagement and Growth...

    Top Services:

    • PPC
    • Social Media Marketing
    • Content Marketing
    • Advertising
    • SEO
    • Show more
    Location
    Elmhurst, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
130,779+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
61

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.

Frequently Asked Questions

What services does a .NET development company in the United States provide?

A .NET development company in the United States provides full-cycle custom software, website, mobile app, and cloud development using the .NET framework and ecosystem. Specifically, they offer the following: 

  • Software audit: Analyzing the software performance, identifying issues, and creating strategies for improvements 
  • .NET modernization: Updating the solution’s codebase, infrastructure, UI/UX design, and other functionalities to the latest standards and technologies 
  • .NET migration: Securely transferring documents and data to a .NET software while minimizing disruption to core business processes 
  • Cross-platform development: Crafting applications that can seamlessly function on iOS, Android, Windows, and Linux devices using a single base code 
  • Custom APIs: Unifying systems by integrating .NET software with other apps and solutions 
  • Enterprise solution development: Producing custom customer relationship management (CRM), finance, and inventory systems based on .NET and Windows apps 
  • .NET consulting: Providing expert advice on optimizing the use of the .NET ecosystem and enhancing current technologies 
  • Maintenance and support: Continuously monitoring performance, resolving issues, and updating .NET applications to ensure they remain fully functional 

How much does it cost to develop a .NET solution in the United States?

On average, a .NET solution in the United States costs between $20,000 and $100,000. The final price will depend on the software type, core features and functions, project timeline, compliance requirements, and team expertise.  

Here’s an estimation of .NET project costs: 

  • Websites: $10,000-$200,000 
  • Desktop software: $20,000-$150,000 
  • Mobile apps: $20,000-$150,000 
  • Enterprise solutions: $50,000-$1,000,000 
  • Game development: $10,000-$1,000,000 
  • eCommerce apps: $10,000-$200,000 

How long does a .NET development company in the United States take to complete a project?

Typically, a .NET development company in the United States takes about 2 to 6 months to complete a project. However, the timeline will ultimately depend on project scope and complexity, development methodology (agile, waterfall, and scrum), and team size. 

Below is a timeline breakdown: 

  • Research, discovery, and design: 2-4 weeks 
  • Development: 4-12 weeks 
  • Testing: 2-6 weeks 
  • Launch: 1-2 weeks 

How do I choose the right USA .NET development company?

To choose the right USA .NET development company for your business, consider the following steps: 

Outline project goals, timeline, budget, target users, and technical requirements 

  1. Examine the agency’s service range and technical proficiency, especially in related technologies like ASP.NET, MVC, and Web API 
  2. Identify if the agency has case studies and portfolios on projects similar to yours 
  3. Read the agency’s positive and negative client reviews to assess its customer service strengths and weaknesses 
  4. Seek out awards, recognitions, and certifications 
  5. Send a request for proposal (RFP) to your top 5-8 candidates 
  6. Schedule an introductory meeting and inquire about security measurements, IP rights, and development approach 
  7. Select a US .NET development company that aligns with your budget, project requirements, and company culture 

Struggling to find a US .NET company? Visit our Marketplace and send your project requirements. We will match you with companies that best meet your criteria — at no cost! 

How do USA .NET development companies ensure quality results?

USA .NET development companies ensure quality results by implementing a comprehensive quality assurance (QA) strategy customized to your specific business objectives. The strategy typically includes a series of tests to verify the software’s end-to-end functionality, usability, security, interoperability, and durability. It also helps ensure that the final product aligns with your business requirements and meets industry standards. 

Here are some of the QA tests that US .NET development companies employ: 

  • Unit testing: Examines the software’s individual components, including module behavior, code-level functions, and error handling 
  • User acceptance testing: Simulates real-world usage, such as user interaction and how well the app integrates with business processes and workflows 
  • Integration testing: Assesses how the different system components interact with each other, including how data flows and how third-party systems work together 
  • Regression testing: Analyzes the stability and functionality of the app after a bug has been fixed